Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r096-smll-177946996500217.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DES-PT-05a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996500217
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 7.3K Mar 6 18:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 6 18:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 18:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 6 18:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 18:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Mar 6 18:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 18:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 37K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779532441525

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-05a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 10:34:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 10:34:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:34:03] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2026-05-23 10:34:03] [INFO ] Transformed 135 places.
[2026-05-23 10:34:03] [INFO ] Transformed 92 transitions.
[2026-05-23 10:34:03] [INFO ] Found NUPN structural information;
[2026-05-23 10:34:03] [INFO ] Parsed PT model containing 135 places and 92 transitions and 457 arcs in 320 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 135/135 places, 92/92 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 135 transition count 78
Applied a total of 14 rules in 29 ms. Remains 135 /135 variables (removed 0) and now considering 78/92 (removed 14) transitions.
// Phase 1: matrix 78 rows 135 cols
[2026-05-23 10:34:04] [INFO ] Computed 59 invariants in 30 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:34:04] [INFO ] Implicit Places using invariants in 832 ms returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 897 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 134/135 places, 78/92 transitions.
Applied a total of 0 rules in 7 ms. Remains 134 /134 variables (removed 0) and now considering 78/78 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 960 ms. Remains : 134/135 places, 78/92 transitions.
Discarding 9 transitions out of 78. Remains 69
Initial state reduction rules removed 1 formulas.
[2026-05-23 10:34:05] [INFO ] Flatten gal took : 62 ms
[2026-05-23 10:34:05] [INFO ] Flatten gal took : 32 ms
RANDOM walk for 40000 steps (879 resets) in 2293 ms. (17 steps per ms) remains 4/68 properties
[2026-05-23 10:34:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3620961348169699477.gal : 24 ms
[2026-05-23 10:34:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11795953484824054932.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3620961348169699477.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11795953484824054932.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11795953484824054932.prop.
BEST_FIRST walk for 40003 steps (169 resets) in 424 ms. (94 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 9
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :9 after 21
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :21 after 30
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :30 after 125
BEST_FIRST walk for 40003 steps (179 resets) in 220 ms. (181 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :125 after 721
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :721 after 1111
BEST_FIRST walk for 40004 steps (175 resets) in 211 ms. (188 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1111 after 37617
BEST_FIRST walk for 40002 steps (182 resets) in 277 ms. (143 steps per ms) remains 4/4 properties
// Phase 1: matrix 78 rows 134 cols
[2026-05-23 10:34:06] [INFO ] Computed 58 invariants in 7 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 7/14 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 1024
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD size :37617 after 618417
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 69/83 variables, 29/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/83 variables, 69/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/83 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 37/120 variables, 23/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 37/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 6/126 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/126 variables, 6/184 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/126 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 77/203 variables, 126/310 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/203 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 9/212 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/212 variables, 8/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/212 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/212 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 212/212 variables, and 326 constraints, problems are : Problem set: 0 solved, 4 unsolved in 676 ms.
Refiners :[Domain max(s): 134/134 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 134/134 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 7/14 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 69/83 variables, 29/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 2048
At refinement iteration 6 (INCLUDED_ONLY) 0/83 variables, 69/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD size :618417 after 2.68812e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/83 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 37/120 variables, 23/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 37/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 6/126 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/126 variables, 6/184 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/126 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 77/203 variables, 126/310 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/203 variables, 3/313 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/203 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 9/212 variables, 8/321 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/212 variables, 8/329 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/212 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :2.68812e+06 after 7.20892e+06
At refinement iteration 20 (INCLUDED_ONLY) 0/212 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 0/212 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 212/212 variables, and 330 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2039 ms.
Refiners :[Domain max(s): 134/134 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 134/134 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2753ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 1 properties in 1246 ms.
Support contains 5 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 78/78 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 134 transition count 76
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 133 transition count 75
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 133 transition count 75
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 10 place count 133 transition count 75
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 132 transition count 74
Applied a total of 11 rules in 62 ms. Remains 132 /134 variables (removed 2) and now considering 74/78 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 132/134 places, 74/78 transitions.
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :7.20892e+06 after 3.19386e+07
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :3.19386e+07 after 5.4245e+07
RANDOM walk for 3652561 steps (49893 resets) in 16764 ms. (217 steps per ms) remains 0/3 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 69 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12993 ms.

BK_STOP 1779532456634

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-05a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is DES-PT-05a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r096-smll-177946996500217"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-05a.tgz
mv DES-PT-05a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;